Goodtruth, I have only just managed to get this working however this has been many a try that’s failed. I’m hoping this is the solution.
You need to leave the original TR2 connected and use the new switch in conjunction with a resistor in parallel to fool the Boiler target temp.
When I’ve got...
Hi All,
I'm aware this is an old post but there might be some survivors out there. ...
I have the same problem on this TR2 thermostat controller. I am trying to install a hive heating thermostat. I have completed the wiring diagram as above making sure that the resistor switches from 12.2...